Choose your products based on ingredients, your hair properties and humidity/ dew points first and foremost, reviews and recommendations secondary. If you don't know out hair properties or dew points any recommendations are largely meaningless.
If you are getting build up go over the ingredients of all the products you are using and look for culprits - for example silicones, polyquats, butters, higher amounts of fatty alcohols - if you aren't sure post up the full ingredients lists, your hair properties and dew points here.
2a-2c, medium texture, porous/ colour treated. Three years CG, growing out mechanical and chemical damage = breakage and very high porosity. Past armpit length heading for waist.
CO-wash: Inecto coconut
Treatments: Komaza Matani, coconut oil, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume, Inecto argan
Styler: Umberto Giannini jelly, Boots Essentials gel
Experimenting with: going back to basics